"lengua cervina" meaning in Spanish

{
  "forms": [
    {
      "form": "lenguas cervinas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lengua cervina f (plural lenguas cervinas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Ferns",
          "orig": "es:Ferns",
          "parents": [
            "Spore plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "hart's tongue"
      ],
      "id": "en-lengua_cervina-es-noun-Lvpe6vNC",
      "links": [
        [
          "hart's tongue",
          "hart's tongue"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lengua cervina"
}

{
  "forms": [
    {
      "form": "lenguas cervinas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lengua cervina f (plural lenguas cervinas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "es:Ferns"
      ],
      "glosses": [
        "hart's tongue"
      ],
      "links": [
        [
          "hart's tongue",
          "hart's tongue"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lengua cervina"
}